* {
  box-sizing: border-box;
  font-family: 'Comfortaa', sans-serif;
}

body {
  margin: 0;
  padding: 0;
  background: #f7f9fb;
  color: #333;
  font-size: 17px;
}

header {
  background: linear-gradient(90deg, #f8d7ff, #d7ffe6);
  padding: 1rem;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
  max-width: 1000px;
  margin: auto;
}

header img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
}

h1 {
  font-size: 1.5rem;
  color: #a030a0;
  margin: 0;
}

nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  background: #fff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  padding: 1rem;
}

nav button {
  background: #ff8cc6;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  color: white;
  cursor: pointer;
  font-size: 1rem;
}

nav button.active {
  background: #d55ca0;
}

.section {
  display: none;
  padding: 1rem;
  max-width: 1000px;
  margin: auto;
}

.section.active {
  display: block;
}

.group {
  margin-bottom: 2rem;
}

.group-title {
  font-size: 1.2rem;
  color: #a030a0;
  margin-bottom: 0.5rem;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 0.5rem;
}

.gallery img {
  width: 100%;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: transform 0.3s;
}

.gallery img:hover {
  transform: scale(1.05);
}

.modal {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.8);
  justify-content: center;
  align-items: center;
  padding: 1rem;
  z-index: 1000;
}

.modal-content {
  background: white;
  border-radius: 1rem;
  max-width: 500px;
  width: 100%;
  padding: 1rem;
}

.modal img {
  width: 100%;
  border-radius: 1rem;
}

.color-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.color-buttons button {
  border: none;
  border-radius: 0.5rem;
  padding: 0.3rem 0.8rem;
  background: #8be9c4;
  cursor: pointer;
}

.description {
  margin-top: 0.5rem;
}

.ozon-btn {
  display: inline-block;
  margin-top: 0.5rem;
  background: #ff8cc6;
  color: white;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  text-decoration: none;
}

footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.8rem;
  background: #fafafa;
  margin-top: 3rem;
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  header {
    padding: 0.8rem;
  }

  header img {
    width: 40px;
    height: 40px;
  }

  h1 {
    font-size: 1.2rem;
  }

  nav {
    flex-direction: column;
    align-items: center;
  }

  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  }
}